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Finding the Fourth Proportional to 163,149.39, 244,771.47 and 57,976.56

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Solution

The fourth proportional to 163,149.39, 244,771.47 and 57,976.56 is: 86,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,149.39 : 244,771.47 = 57,976.56 : x
  2. Step 2: Convert to fraction form
    163,149.39/244,771.47 = 57,976.56/x
  3. Step 3: Cross multiply
    163,149.39x = 244,771.47 × 57,976.56
  4. Step 4: Simplify right side
    163,149.39x = 14,191,007,816.74
  5. Step 5: Solve for x
    x = 14,191,007,816.74/163,149.39
  6. Step 6: Final answer
    x = 86,981.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.